Earlier quoted context omitted.
You missed the bigger point, then: Mob justice is a barbaric and ugly thing; stop patting yourself on the back and thinking you're a good person for being a part of it.
This is not about justice, it's about a bad human being getting what she deserved. When you're an open racist you are a bad human being.
And please don't say this is totally different because racism. It was an isolated twitter joke to 140 followers. Tweets don't move the world - but floods of them can certainly ruin individual lives.